Forum: C++ Tecken Problem - Kryptering(ROT47)

string encryption_engine(int method, int mode, string text)
{
    switch (method)
    {
        case 1: // ROT47
            for(int i = 0; i < text.size(); i++)
                if(text[i] >= '!' && text[i] <= '~')
                {
                    text[i] += 47;
                    if(text[i] > '~')
                        text[i] -= 94;
                }
            break;
    }
    
    return text;
}

! = 33
" = 34
# = 35
$ = 36
% = 37
& = 38
' = 39
( = 40
) = 41

• = 42
  

+ = 43
, = 44
- = 45
. = 46
/ = 47
0 = 48
1 = 49
2 = 50
3 = 51
4 = 52
5 = 53
6 = 54
7 = 55
8 = 56
9 = 57
: = 58
; = 59
< = 60
= = 61
> = 62
? = 63
@ = 64
A = 65
B = 66
C = 67
D = 68
E = 69
F = 70
G = 71
H = 72
I = 73
J = 74
K = 75
L = 76
M = 77
N = 78
O = 79
P = 80
Q = 81
R = 82
S = 83
T = 84
U = 85
V = 86
W = 87
X = 88
Y = 89
Z = 90
[ = 91
\ = 92
] = 93
^ = 94
_ = 95
` = 96
a = 97
b = 98
c = 99
d = 100
e = 101
f = 102
g = 103
h = 104
i = 105
j = 106
k = 107
l = 108
m = 109
n = 110
o = 111
p = 112
q = 113
r = 114
s = 115
t = 116
u = 117
v = 118
w = 119
x = 120
y = 121
z = 122
{ = 123
| = 124
} = 125
~ = 126

Encrypter v1.0 Programmed with C++ by Vitdom

Instructions: Select encryption method.
Menu:
0. Exit.
1. ROT47.

Choise: 1

Method: ROT47
Menu:
1. Encrypt.
2. Decrypt.

Choise: 1

Text:
hej


Your encrypted text:
���
Instructions: Select encryption method.
Menu:
0. Exit.
1. ROT47.

Choise: 0

string encryption_engine(int method, int mode, string text)
{
    int tmpvalue;
    
    switch (method)
    {
        case 1: // ROT47
            for(int i = 0; i < text.size(); i++)
                if(text[i] >= '!' && text[i] <= '~')
                {
                    tmpvalue = text[i] + 47;
                    if(tmpvalue > '~')
                        tmpvalue -= 94;
                    text[i] = tmpvalue;
                }
            break;
    }
    
    return text;
}